DE2920719C2 - Verfahren zur Herstellung von dichten, niedrig legierten Sinterteilen - Google Patents

Verfahren zur Herstellung von dichten, niedrig legierten Sinterteilen

Info

Publication number
DE2920719C2
DE2920719C2 DE2920719A DE2920719A DE2920719C2 DE 2920719 C2 DE2920719 C2 DE 2920719C2 DE 2920719 A DE2920719 A DE 2920719A DE 2920719 A DE2920719 A DE 2920719A DE 2920719 C2 DE2920719 C2 DE 2920719C2
Authority
DE
Germany
Prior art keywords
areas
parts
sintered
metal parts
sintered body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE2920719A
Other languages
German (de)
English (en)
Other versions
DE2920719A1 (de
Inventor
Ramjee Canton Mich. Pathak
Myron C. Fairview Mich. Sarnes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Federal Mogul LLC
Original Assignee
Federal Mogul LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Federal Mogul LLC filed Critical Federal Mogul LLC
Publication of DE2920719A1 publication Critical patent/DE2920719A1/de
Application granted granted Critical
Publication of DE2920719C2 publication Critical patent/DE2920719C2/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/04—Treatment of selected surface areas, e.g. using masks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/241—Chemical after-treatment on the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Powder Metallurgy (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Forging (AREA)
DE2920719A 1978-05-31 1979-05-22 Verfahren zur Herstellung von dichten, niedrig legierten Sinterteilen Expired DE2920719C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/911,024 US4165243A (en) 1978-05-31 1978-05-31 Method of making selectively carburized forged powder metal parts

Publications (2)

Publication Number Publication Date
DE2920719A1 DE2920719A1 (de) 1979-12-06
DE2920719C2 true DE2920719C2 (de) 1983-03-03

Family

ID=25429660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2920719A Expired DE2920719C2 (de) 1978-05-31 1979-05-22 Verfahren zur Herstellung von dichten, niedrig legierten Sinterteilen

Country Status (10)

Country Link
US (1) US4165243A (fr)
JP (1) JPS5521583A (fr)
KR (1) KR830002136B1 (fr)
CA (1) CA1114208A (fr)
DE (1) DE2920719C2 (fr)
FR (1) FR2427156A1 (fr)
GB (1) GB2021984B (fr)
IN (1) IN152058B (fr)
IT (1) IT1121526B (fr)
SE (1) SE448071B (fr)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436282A1 (fr) * 1978-09-18 1980-04-11 Glaenzer Spicer Sa Tulipe perfectionnee pour joint a tripode et procede pour sa fabrication
JPS56149285A (en) * 1980-03-04 1981-11-19 Koichi Uemura Various submarine operation and equipment therefor
JPS56138089A (en) * 1980-03-28 1981-10-28 Koichi Uemura Various underwater working method and device thereof
US4771689A (en) * 1985-09-25 1988-09-20 Dataproducts Corporation Unitary spring armature for a dot matrix printer
US4664722A (en) * 1985-10-24 1987-05-12 Hughes Tool Company-Usa Method for protecting from hardening a selected region of a steel structure
JPS6326595U (fr) * 1986-08-06 1988-02-22
US4814026A (en) * 1987-02-03 1989-03-21 Ford Motor Company Method of producing composite welded components
JPH02138554A (ja) * 1988-11-16 1990-05-28 Nissan Motor Co Ltd 高強度歯車
US5009842A (en) * 1990-06-08 1991-04-23 Board Of Control Of Michigan Technological University Method of making high strength articles from forged powder steel alloys
JP3167313B2 (ja) * 1990-07-24 2001-05-21 シチズン時計株式会社 部品の製造方法
AT405256B (de) * 1995-02-16 1999-06-25 Miba Sintermetall Ag Verfahren zum herstellen einer schiebemuffe für die synchronisiereinrichtung eines zahnradwechselgetriebes
US5729822A (en) * 1996-05-24 1998-03-17 Stackpole Limited Gears
US5728475A (en) * 1996-08-23 1998-03-17 Alliedsignal Inc. Method for making parts usable in a fuel environment
SE509941C2 (sv) 1997-09-10 1999-03-29 Sandvik Ab Metod för att maskera borrelement vid termokemisk ytbehandling samt borrelement för slående borrning
US6044555A (en) * 1998-05-04 2000-04-04 Keystone Powered Metal Company Method for producing fully dense powdered metal helical gear
US6165597A (en) * 1998-08-12 2000-12-26 Swagelok Company Selective case hardening processes at low temperature
SE0002448D0 (sv) * 2000-06-28 2000-06-28 Hoeganaes Ab method of producig powder metal components
US6592809B1 (en) 2000-10-03 2003-07-15 Keystone Investment Corporation Method for forming powder metal gears
DE10109565B4 (de) * 2001-02-28 2005-10-20 Vacuheat Gmbh Verfahren und Vorrichtung zur partiellen thermochemischen Vakuumbehandlung von metallischen Werkstücken
US6837915B2 (en) * 2002-09-20 2005-01-04 Scm Metal Products, Inc. High density, metal-based materials having low coefficients of friction and wear rates
US20050163645A1 (en) * 2004-01-28 2005-07-28 Borgwarner Inc. Method to make sinter-hardened powder metal parts with complex shapes
DE102005005640A1 (de) * 2005-02-05 2006-09-14 Zwilling J. A. Henckels Ag Messer mit stauchgeschmiedetem Messerkropf
US7827692B2 (en) * 2006-03-24 2010-11-09 Gkn Sinter Metals, Inc. Variable case depth powder metal gear and method thereof
US7718116B2 (en) * 2006-03-24 2010-05-18 Gkn Sinter Metals, Inc. Forged carburized powder metal part and method
US8517884B2 (en) * 2006-03-24 2013-08-27 Gkn Sinter Metals, Llc Powder forged differential gear
US9856962B2 (en) 2006-03-24 2018-01-02 Gkn Sinter Metals, Llc Forged composite powder metal part and method of making same
WO2011075436A1 (fr) * 2009-12-15 2011-06-23 Gkn Sinter Metals, Llc Cage intérieure de joint homocinétique en métal en poudre composite et procédé de fabrication de ladite cage
ES2288410B1 (es) * 2006-05-10 2008-11-16 Pmg Asturias Powder Metal, S.A. Cubo de sincronismo densificado localmente y procedimiento para la fabricacion del mismo.
WO2008073952A2 (fr) * 2006-12-12 2008-06-19 Gkn Sinter Metals, Llc Forgeage de métal en poudre, procédé et appareil de production
CN101711191A (zh) * 2007-02-12 2010-05-19 Gkn烧结金属股份有限公司 粉末金属锻件及加工方法和设备
WO2008124378A1 (fr) * 2007-04-04 2008-10-16 Gkn Sinter Metals, Llc Forgeage de métal en poudre et procédé et appareil de fabrication associés
DE112007003622B4 (de) * 2007-08-17 2020-08-06 Gkn Sinter Metals, Llc. Verfahren zum Erhalten eines Zahnrads mit variierender Einsatzhärtetiefe
JP2010537048A (ja) * 2007-08-17 2010-12-02 ジーケーエヌ シンター メタルズ、エル・エル・シー 鍛造浸炭金属粉末部品の製造方法
DE102009012003A1 (de) * 2009-02-26 2010-09-02 Basf Se Schutzbeschichtung für metallische Oberflächen und ihre Herstellung
CN102676979B (zh) * 2011-03-15 2015-08-26 台耀科技股份有限公司 提升粉末冶金不锈钢强度及硬度的方法
GB2492054A (en) * 2011-06-13 2012-12-26 Charles Malcolm Ward-Close Adding or removing solute from a metal workpiece and then further processing
CN103556103B (zh) * 2013-09-30 2015-07-22 福建龙溪轴承(集团)股份有限公司 一种防渗碳材料及其制备方法
US20190219147A1 (en) * 2018-01-17 2019-07-18 ILJIN USA Corporation Gear for a torque transmission device and method for making the gear
WO2019181449A1 (fr) * 2018-03-22 2019-09-26 日本電産株式会社 Procédé de traitement de surface, procédé de production de corps fritté avec film d'oxyde, et corps fritté avec film d'oxyde
WO2020210045A1 (fr) * 2019-04-12 2020-10-15 Gkn Sinter Metals, Llc Procédé de cémentation à diffusion variable

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1070170A (fr) * 1952-01-29 1954-07-20 Husqvarna Vapenfabriks Ab Procédé de fabrication de pièces en acier fritté
US3180765A (en) * 1961-05-17 1965-04-27 Rolls Royce Process for preventing carburization on ferrous metal surfaces
US3408237A (en) * 1964-06-30 1968-10-29 Ibm Ductile case-hardened steels
US3344817A (en) * 1965-05-28 1967-10-03 Illinois Tool Works Method of selectively hardening a corrosion resistant part and the article produced thereby
US3661820A (en) * 1970-07-15 1972-05-09 Park Chem Co Coating composition for preventing carburization of steel parts with subsequent water wash-off capacity
DE2041534A1 (de) * 1970-08-21 1972-02-24 Zahnradfabrik Friedrichshafen Schutzmasse zum Verhindern der Aufkohlung,Nitrierung od.ae.
IT977241B (it) * 1972-02-16 1974-09-10 Daimler Benz Ag Procedimento per la cementazione di pezzi
GB1450937A (en) * 1973-07-03 1976-09-29 British Steel Corp Production and subsequent carburisation of steel products motor vehicle folding rear seat assembly
DE2441309A1 (de) * 1974-08-29 1976-03-11 Degussa Verfahren zum isolieren partieller oberflaechenbereiche bei der thermochemischen behandlung von metallen
US3992763A (en) * 1974-09-13 1976-11-23 Federal-Mogul Corporation Method of making powdered metal parts

Also Published As

Publication number Publication date
JPS5521583A (en) 1980-02-15
IN152058B (fr) 1983-10-08
JPS5620323B2 (fr) 1981-05-13
IT1121526B (it) 1986-04-02
SE7904745L (sv) 1979-12-01
KR830000558A (ko) 1983-04-16
KR830002136B1 (ko) 1983-10-15
CA1114208A (fr) 1981-12-15
GB2021984A (en) 1979-12-12
DE2920719A1 (de) 1979-12-06
IT7923103A0 (it) 1979-05-29
FR2427156B1 (fr) 1983-02-18
FR2427156A1 (fr) 1979-12-28
US4165243A (en) 1979-08-21
SE448071B (sv) 1987-01-19
GB2021984B (en) 1982-03-31

Similar Documents

Publication Publication Date Title
DE2920719C2 (de) Verfahren zur Herstellung von dichten, niedrig legierten Sinterteilen
DE2835332C2 (de) Kolben mit einem Körper aus einer Aluminiumlegierung
DE3919199C2 (fr)
DE69716388T2 (de) Teil oder Zubehör für einen Aufkohlungsofen
DE68914601T2 (de) Getriebe mit grosser Festigkeit.
DE2303680A1 (de) Pressmatrize
DE1955010C3 (de) Verfahren zur Oberflächen vergütung eines Zapfenkreuzes
DE112007003622B4 (de) Verfahren zum Erhalten eines Zahnrads mit variierender Einsatzhärtetiefe
DE2049757A1 (de) Verfahren zum Herstellen beschichteter Gegenstände
DE3532451C2 (fr)
DE102016118156A1 (de) Verfahren zur Herstellung eines Sinterzahnrades
DE19510302A1 (de) Oberflächenbehandelte Kolbenstange
DE112007003626T5 (de) Verfahren zum Erhalten eines geschmiedeten, aufgekohlten Pulvermetallteils
DE2133300A1 (de) Verfahren zur Herstellung von Kompoundmaterial und nach diesem Verfahren hergestellte Produkte
DE3910603C2 (fr)
DE1758080B2 (de) Verfahren zur pulvermetallurgischen herstellung stranggepresster verbundkoerper
EP0655295B1 (fr) Corps métallique et procédé pour sa fabrication
DE3313998C2 (de) Kühlplatte für metallurgische Öfen, insbesondere Hochöfen sowie Verfahren zu ihrer Herstellung
DE69126472T2 (de) Verfahren zur Herstellung von Gleiskettenbuchsen für Raupenkettenfahrzeuge
EP0229181B1 (fr) Procede de regarnissage d'arbres a cames
DE102018108063A1 (de) Tragstruktur, Ofeneinrichtung, Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
DE2246471C3 (de) Verfahren zum Schleudergießen metallischer Rohre
DE2854079C2 (fr)
DE3237193A1 (de) Verfahren und vorrichtung zur waermebehandlung von rohren
DE1508940C (de) Ausbaubare Auskleidung fur die Gieß rinne eines Gießrades

Legal Events

Date Code Title Description
OD Request for examination
8125 Change of the main classification
8126 Change of the secondary classification
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee